Save big on Dolphin pool cleaners
All original parts · Like-new · Original packaging · Full warranty
Like-new Dolphins
Full warranty · 30 Day Trial
Certified by Maytronics
Certified Open Box Dolphin robots include all original parts, are like-new, original packaging, and the full warranty: 3 years on the Dolphin Sigma. See why shopping Certified Open Box or Certified Refurbished is the best way to save big.
Unlock unbeatable savings with Certified Open Box deals on the Dolphin Sigma and the whole Dolphin lineup. Our Certified Open Box and Certified Refurbished options offer you the chance to save hundreds on 2026's top models without compromising on quality. Easy, reliable, and budget-friendly: your perfect pool is just a purchase away.
Experience 'new' with every use. Our open-box units aren't just pre-owned; they're pre-perfected. Rigorously tested and inspected using Maytronics advanced software, these units guarantee a 'like-new' performance every time. Get the best of Dolphin's technology at unbeatable prices, ensuring your pool is in pristine condition without stretching your wallet.
Exclusively available through our trusted network of Authorized Dealers, the Dolphin ProLine™ brings cutting-edge pool cleaning to your fingertips. Our Certified Open Box options are handpicked and available only in select locations, ensuring you receive not just a product, but a promise of excellence and reliability.
Find a DealerBuy direct
Today's prices on every open box robot, with free shipping, a 30 day trial and no restocking fees on each one.
$2499 $1899 SALE Save $600
Experience commercial performance for less. Try the Certified Open Box Dolphin Premier with NanoFilters, Multi-Media, & 3 year warranty for 30 days.
$2999 $2299 SALE Save $700
Save hundreds on a Certified Open Box Dolphin Sigma robotic pool cleaner. With gyroscope, NanoFilters, and 3 year warranty, try for 30 days.
$1799 $1479 SALE Save $320
Dive into savings with the Certified Open Box Dolphin Quantum Pro. XXL MaxBin, NanoFilters, myDolphin Plus app, and a 2 year warranty — try it in your pool for 30 days.
$1299 $1034 SALE Save $265
Shop the Certified Open Box Dolphin Cayman. Save big on the hottest Dolphin pool robots of the year. With MaxBin, HyperBrush, 2 year warranty, & more!
$899 $649 SALE Save $250
Dive into savings with the Certified Open Box Dolphin Escape. With a 2 year warranty, MaxBin, & HyperBrush, try the new Max-Series in your pool for 30 days.
$799 $579 SALE Save $220
Save big on the Open Box Dolphin Nautilus Pool Up robotic pool cleaner. With a full 1 year warranty, filter bag, and more, try for 30 days.
$699 $489 SALE Save $210
The best deal on a Dolphin E10 Up robotic pool cleaner. Try this top-rated above-ground pool cleaner in your pool for 30 days.
$1299 $649 SALE Save $650
Discover the Dolphin Explorer E20 robotic pool cleaner with wall climbing and a top-load filter. Enjoy a 30 day trial and unbeatable pricing on open box models.
$1699 $1079 SALE Save $620
Now featuring Wi-Fi, explore the Open Box Dolphin Explorer E30 with the myDolphin Plus app, advanced waterline cleaning, and more.
$1799 $1609 SALE Save $190
Featuring Wi-Fi, waterline cleaning, and a dual-layer filter basket, discover the Open Box Dolphin Explorer E50 and save big. Try for 30 days.
$2299 $2079 SALE Save $220
Experience the Open Box Dolphin Explorer E70, equipped with advanced sensors, a dual-layer filter basket, and a convenient caddy. Try for 30 days.
$1999 $1549 SALE Save $450
The best deal on a Dolphin Wave 60 commercial robotic pool cleaner. Certified Open Box, caddy included, and a 30-day trial in your own pool.
$2799 $1949 SALE Save $850
The best deal on a Dolphin Wave 80 commercial robotic pool cleaner. Certified Open Box with the remote and caddy included, plus a 30-day trial in your own pool.
$3999 $2349 SALE Save $1650
The best deal on a Dolphin Wave 90i commercial robotic pool cleaner. Certified Open Box with the app, remote and caddy, plus a 30-day trial in your own pool.
$4699 $3979 SALE Save $720
The best deal on a Dolphin Wave 100 commercial robotic pool cleaner. Certified Open Box with the remote and caddy included, plus a 30-day trial in your own pool.
$6999 $7479 SALE Save $0
The best deal on a Dolphin Wave 120 commercial robotic pool cleaner. Certified Open Box with the remote and caddy included, plus a 30-day trial in your own pool.
Setting the benchmark
Every Certified Open Box Dolphin keeps its full factory warranty: 3 years on the Dolphin Sigma and the ProLine™, 2 years on the Max-Series™. With no restocking fees and a free 30 day trial from all Authorized Dealers, you can try it in your pool for 30 days. That's the Dolphin ProLine difference.
Experience the difference
Included with the Dolphin Sigma are the NanoFilters™. These filters clean deeper than the standard filters, down to 2 microns, and come with every Certified Open Box Sigma.
Every pool deserves an intelligent robot.
Take Sigma home and try in your own pool for 30 days. If you're not 100% satisfied, simply return it.
